he was joined by his wife, paul ryan and former mayor rudy giuliani. >> accomplishing real change is not something that i just talk about. it's something that i've done. it's what i'm going to do whether i'm president of the united states with your help. romney promised to cut spend and he warnings there could be another government shut down if president obama is re-elected. >>> we want to give you a look at some key battleground states. we have nevada, colorado, iowa, michigan, ohio, new hampshire, and virginia, eight swing states. and according to the latest polls, take a look at the numbers. in these states, the president hold a four point lead over mitt romney. and those are five out of eight states. you can see some of the numbers. nevada is 45 to 55% and similar number across the board there. but in colorado, there are two dualing poll there's. one bit public policy of poll gives romney a lead and roiders has it closer within a point. and there are the two states that are clearly too close to call right now. you have florida and ohio. look at that obama is wing by only 2% in fl